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參數資料
| 型號： | AD7741YR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬專用變換器 |
| 英文描述： | Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
| 中文描述： | VOLTAGE-FREQUENCY CONVERTER, 6.144 MHz, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 3/12頁 |
| 文件大?。?/td> | 131K |
| 代理商： | AD7741YR |
REV. 0
–3–
AD7741/AD7742
(V
DD
= +4.75 V to +5.25 V; V
REF
= +2.5 V; f
CLKIN
= 6.144 MHz; all specifications T
MIN
to
T
MAX
unless otherwise noted.)
B Version
1
Y Version
2
Min
Parameter
3
Min
Typ
Max
Typ
Max
Units
Conditions/Comments
DC PERFORMANCE
Integral Nonlinearity
f
CLKIN
= 200 kHz
4
f
CLKIN
= 3 MHz
4
f
= 6.144 MHz
Offset Error
±
0.0122
±
0.0122
±
0.0122
±
40
±
40
+2.2
+2.2
±
0.015
±
0.015
±
0.015
±
40
±
40
+2.2
+2.2
% of Span
5
% of Span
% of Span
mV
mV
% of Span
% of Span
μ
V/
°
C
μ
V/
°
C
ppm of Span/
°
C
ppm of Span/
°
C
dB
dB
dB
Unipolar Mode
Bipolar Mode
Unipolar Mode
Bipolar Mode
Unipolar Mode
Bipolar Mode
Unipolar Mode
Bipolar Mode
V
DD
=
±
5%
Gain Error
+0.2
+0.2
+1.2
+1.2
±
12
±
12
±
2
±
4
–70
–75
–78
+0.2
+0.2
+1.2
+1.2
±
12
±
12
±
2
±
4
–70
–75
–78
Offset Error Drift
4
Gain Error Drift
4
Power Supply Rejection Ratio
4
Channel-to-Channel Isolation
4
Common-Mode Rejection
ANALOG INPUTS (V
IN
1–V
IN
4)
6
Input Current
Common-Mode Input Range
Differential Input Range
–60
–58
±
50
±
100
V
DD
– 1.75
+V
REF
/Gain –V
REF
/Gain
+V
REF
/Gain 0
±
50
±
100
V
DD
– 1.75
+V
REF
/Gain
+V
REF
/Gain
nA
V
V
V
+0.5
–V
REF
/Gain
0
+0.5
Bipolar Mode
Unipolar Mode
VOLTAGE REFERENCE
REFIN
Nominal Input Voltage
Input Impedance
f
CLKIN
= 3 MHz
f
= 6.144 MHz
REFOUT
Output Voltage
Output Impedance
4
Reference Drift
Line Rejection
Reference Noise
(0.1 Hz to 10 Hz)
4
2.5
2.5
V
70
35
70
35
k
k
2.38
2.50
1
±
50
–70
2.60
2.38
2.50
1
±
50
–70
2.60
V
k
ppm/
°
C
dB
100
100
μ
V p-p
LOGIC OUTPUT
Output High Voltage, V
OH
Output Low Voltage, V
Minimum Output Frequency
4.0
4.0
V
V
Hz
Output Sourcing 800
μ
A
7
Output Sinking 1.6 mA
7
V
IN
= 0 V (Unipolar), V
IN
=
–V
REF
/Gain (Bipolar)
V
/Gain (Unipolar
and Bipolar)
0.4
0.4
0.05 f
CLKIN
0.05 f
CLKIN
Maximum Output Frequency
0.45 f
CLKIN
0.45 f
CLKIN
Hz
LOGIC INPUT
ALL EXCEPT CLKIN
Input High Voltage, V
IH
Input Low Voltage, V
IL
Input Current
Pin Capacitance
CLKIN ONLY
Input High Voltage, V
IH
Input Low Voltage, V
IL
Input Current
Pin Capacitance
2.4
2.4
V
V
nA
pF
0.8
±
100
10
0.8
±
100
10
6
6
3.5
3.5
V
V
μ
A
pF
0.8
±
2
10
0.8
±
2
10
6
6
CLOCK FREQUENCY
Input Frequency
6.144
6.144
MHz
For Specified Performance
POWER REQUIREMENTS
V
DD
I
DD
(Normal Mode)
I
(Power-Down)
Power-Up Time
4.75
5.25
8
35
4.75
5.25
8
35
V
mA
μ
A
μ
s
6
25
30
6
25
30
Output Unloaded
Coming Out of Power-
Down Mode
N
OTES
1
Temperature range: B Version: –40
°
C to +85
°
C.
2
Temperature range: Y Version: –40
°
C to +105
°
C.
3
See Terminology.
4
Guaranteed by design and characterization, not production tested.
5
Span = Maximum Output Frequency–Minimum Output Frequency.
6
The absolute voltage on the input pins must not go more positive than V
– 1.75 V or more negative than +0.5 V.
7
These logic levels apply to CLKOUT only when it is loaded with one CMOS load.
Specifications subject to change without notice
.
AD7742–SPECIFICATIONS
相關PDF資料 |
PDF描述 |
|---|---|
| AD7742YR | Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
| AD7741BN | Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
| AD7741BR | Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
| AD7742BN | Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
| AD7742BR | Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7741YR-REEL | 功能描述:IC CONVERTER V TO FREQ 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - V/F 和 F/V 轉換器 系列:- 標準包裝:1 系列:- 類型:頻率至電壓 頻率 - 最大:10kHz 全量程:- 線性:±0.3% 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOIC 包裝:Digi-Reel® 其它名稱:LM2917MX-8/NOPBDKR |
| AD7741YR-REEL7 | 功能描述:IC CONVERTER V TO FREQ 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - V/F 和 F/V 轉換器 系列:- 標準包裝:1 系列:- 類型:頻率至電壓 頻率 - 最大:10kHz 全量程:- 線性:±0.3% 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOIC 包裝:Digi-Reel® 其它名稱:LM2917MX-8/NOPBDKR |
| AD7741YRZ | 功能描述:IC CONVERTER VOLT TO FREQ 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - V/F 和 F/V 轉換器 系列:- 標準包裝:1 系列:- 類型:頻率至電壓 頻率 - 最大:10kHz 全量程:- 線性:±0.3% 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOIC 包裝:Digi-Reel® 其它名稱:LM2917MX-8/NOPBDKR |
| AD7742 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Single and Multichannel, Synchronous Voltage-to-Frequency Converters |
| AD7742BN | 制造商:Analog Devices 功能描述:VFC Sync 2.75MHz 16-Pin PDIP 制造商:Rochester Electronics LLC 功能描述:SINGLE + MULTI-CHANNEL VFC I.C. - Bulk |
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